This high quality die set is specifically designed for use with the James Burn JBI Lhermite PB3400 modular punch with automatic ejector. Each James Burn Lhermite die set features industry-leading design and utilizes hardened steel punching pins with easy access and longer, sharper life. With eight different die sets available, it is possible for you to use your JBI PB3400 for virtually any binding style that you may need. Using these dies, you can quickly switch punching patterns for a variety of sizes and materials. Choose a wire binding, coil binding, or comb binding die set for your PB3400 today.